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                        H2509P08-01+W
                        H2509P08-01+W
                        产品概述:
                        详细介绍
                        1. 简介SCOPE 
                           本产品适用于便携式电脑,手机等产品
                           This specification covers our product of Magnetic Buzzer unit for NB Computer, Mobile phone etc. use.

                        2.外观尺寸图 MECHANICAL LAYOUT & DIMENSIONS
                           见图五 Shown in Fig.5

                        3.概要 GENERAL REQUIREMENTS
                        3.1 使用温度OPERATING TEMPERATURE RANGE: -20℃ ~ +60℃
                        3.2 储存温度Storage Temperature: -30℃ ~ +70℃
                        3.3 标准测试条件STANDARD TEST CONDITIONS:
                              温度Temperature:             17~25℃     湿度Relative Humidity:      45%~80%(RH)
                              大气压力Air Pressure:        860~1060 MPa
                        3.4 仲裁测试条件JUDGEMENT CONDITIONS:
                              温度Temperature:             20±2℃        湿度Relative Humidity:      60%~70%(RH)
                              大气压力Air Pressure:        860~1060 MPa

                        4. 扬声器规格  SPEAK ELECTRICAL AND ACOUSTICAL SPECIFICATION
                        4.1   声压级 Sound Press Level(SPL):93±3 dB SPL /1.0W/10CM at 2000Hz
                        4.2   阻抗 IMPEDANCE:8±15% ? 
                        4.3   频响曲线FREQUENCY RESPONSE CURVE: As shown in fig(2) 
                        4.4   谐振频率RESONANCE FREQUENCY: 700±20%Hz in free air
                        4.5   额定功率 Rated Power:1.0W in 1CC box
                        4.6   最大功率Max. Power: 1.5W must be normal white noise (1.5W) for 1 minute in 1.0cc box
                        4.7   谐波失真DISTORTION :10% max. 2kHz (Mounted in 1cc measure box and in a baffle) Test at 1W/10cm fig(3)
                        4.8   纯音检听AUDIBLE NOISE:2.0V Must be free audible noise 300Hz  10KHz; 2.0Vrms, while testing in 1cc box.
                        4.9   极性POLARITY:  Right side is the “+”,As show in the picture
                        4.10 重量Weight:Approx. 2.0g

                        测试方法图MEASURING CIRCUIT (Fig.1)
                        H2509P08-01+W

                        Fig.1 measuring diagram

                        ■频率响应曲线图TYPICAL FREQUENCY RESPONSE CURVE (Fig.2)
                        H2509P08-01+W

                        Fig.2 Typical frequency response curve

                        ■失真曲线图SPEAKER DISTORTION CURVE(fig.3)
                        H2509P08-01+W

                        Fig.3 Typical distornition frequency response curve

                        5. 可靠性测试 RELIABILITY TESTS 
                        扬声器进行下列测试后SPL变化不允许超出±5dB,不允许有任何机械或者热损伤。
                        The sound pressure as specified shall neither deviate more than ±5dB from the initial value, nor any significant damage after any of following testing. 
                        5.1 高温试验 HIGH TEMPERATURE TEST
                              High temperature:              +70±2℃  
                              Duration:                            16 hours
                        5.2 低温试验LOW TEMPERATURE TEST
                              Low temperature :              -30±2℃  
                              Duration:                            16 hours
                        5.3 冷热冲击试验HEAT SHOCK TEST
                              High temperature:              +70±2℃
                              Low temperature:              -30±2℃
                              Changeover time:              < 30 seconds
                              Duration:                            1 hour
                              Cycle:                                 5
                        5.4 高温高湿试验HUMIDITY TEST
                              Temperature:                     +40±2℃
                              Relative humidity:              90~95%
                              Duration:                           16 hours
                        5.5 高低温循环试验TEMPERATURE CYCLE TEST 
                              Temperature:                     -30℃      +20℃        +70℃
                              Duration:                            30 minutes  15 minutes    30 minutes
                              Temperature gradient:       1~3℃/min.
                              Cycle:                                  5
                        5.6 跌落试验DROP TEST
                              Free drop a unit to the surface of 10mm thick board 
                              Height:                               100cm
                              Cycle:                                 6 (1 each plain)   onto the concrete board
                        5.7 可靠性试验Load test 
                              White Noise.:20~20kHz Rated Power: 1.0W 96Hours in 1cc box

                        6. 外形图DIMENSIONS 
                            Unless otherwise specified, tolerance: ±0.5  (unit: mm)
                        H2509P08-01+W
                        H2509P08-01+W
                        9 前贴 Sponge      
                        8 焊片SPRING TERMINAL SUS 2  
                        7 前盖 FRONT CAP PPA or PBT 1  
                        6 音圈 VOICE COIL COPPER WIRE 1  
                        5 膜片 DIAPHRAGM PEEK or PEN 1  
                        4 U铁 U YOKE  SPCC 1  
                        3 极片 POLE PIECE SPCC 1  
                        2 磁钢 MAGNET Nd 1  
                        1 主架 FRAME PPA or PBT 1  
                        编号No. 零件名称PART NAME 材料 MATERIAL 数量Q’TY 备注REMARK
                        Fig4. Outer dimension
                        上一个:H4040CP04-04
                        下一个:H2610P04-02 2W
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